* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}

.box {
    width: 300px;
    height: 200px;
    text-align: center;
    line-height: 200px;
    background-color: aquamarine;
}
.red {
    width: 300px;
    height: 200px;
    text-align: center;
    line-height: 200px;
    background-color: red;
}

.YGH007 {
    background-color: pink;
    font-size: 24px;
    text-align: center;
}

.YGH007 img {
    height: 100px;
    vertical-align: middle;

}


.boxLi {
    background-color: aqua;
    text-align: center;
}

/* 苏敏杰 */
.cao img {
    width: 100px;
}

.cao {
    width: 80%;
    margin: 0 auto;
    background-color: bisque;
    display: flex;
    justify-content: space-around;
}

.box1 {
    width: 80%;
    background-color: blue;
    text-align: center;
    margin: 0 auto;
}

/* 占剑 */
.arr {
    font-size: 24px;
    background-color: yellow;
    text-align: center;
}

.arr img {
    height: 100px;
    vertical-align: middle;
}